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Finding the Fourth Proportional to 301,688.82, 452,527.30 and 121,769.47

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Solution

The fourth proportional to 301,688.82, 452,527.30 and 121,769.47 is: 182,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,688.82 : 452,527.30 = 121,769.47 : x
  2. Step 2: Convert to fraction form
    301,688.82/452,527.30 = 121,769.47/x
  3. Step 3: Cross multiply
    301,688.82x = 452,527.30 × 121,769.47
  4. Step 4: Simplify right side
    301,688.82x = 55,104,008,872.68
  5. Step 5: Solve for x
    x = 55,104,008,872.68/301,688.82
  6. Step 6: Final answer
    x = 182,651.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.